
Drying mushrooms in the oven is a great way to preserve their flavour and make them last longer. Dried mushrooms can be stored for at least a year and can be added to soups, sauces, and pasta. The process is simple: clean the mushrooms, preheat the oven to a low temperature (around 125-150°F), place the mushrooms on a baking sheet, and leave them in the oven for several hours until they are crispy-dry. It's important to slice the mushrooms to a similar thickness so they dry evenly, and to blot them with a paper towel before putting them in the oven to remove any excess water. With just a few simple steps, you can preserve the flavour of your favourite mushrooms and enjoy their umami taste all year round!
Drying Mushrooms in the Oven
| Characteristics | Values |
|---|---|
| Oven Temperature | 125-150 °F (46-65 °C) |
| Oven Setting | Convection (with fan) if available |
| Oven Door | Closed, or slightly ajar for air circulation if no convection setting |
| Baking Tray | Parchment-lined |
| Mushroom Preparation | Cleaned with a brush or damp cloth, sliced 1/8-1/4 inch thick |
| Spacing | Single layer with space between mushrooms for air circulation |
| Timing | 2-8 hours, checking for dryness every 30 minutes after the first 2 hours |
| Storage | Covered glass jars |
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What You'll Learn

Clean the mushrooms with a brush or damp cloth
Before drying mushrooms in the oven, it is important to clean them thoroughly. Mushrooms are known to carry dirt, and their shape makes it easy for dirt to get trapped. To clean the mushrooms, avoid using water directly. Instead, use a brush or a damp cloth to gently scrub and wipe away any dirt. If you are using a brush, a vegetable or mushroom brush will suffice. Alternatively, you can slice the mushrooms first and then use a damp cloth to wipe them clean.
It is important to ensure that the mushrooms are completely dry before placing them in the oven. Any residual moisture can affect the drying process and impact the final texture of the mushrooms. Therefore, it is recommended to blot the mushrooms with a paper towel after cleaning to remove any excess water. This step is crucial, especially if you are using a damp cloth for cleaning. Make sure the mushrooms are dry to the touch before proceeding to the next step.
When cleaning mushrooms with a brush or damp cloth, it is essential to be gentle. Avoid applying too much pressure, as mushrooms are delicate and can be easily damaged. Take your time and work in gentle, circular motions to dislodge any trapped dirt or debris. If you come across stubborn dirt, a damp cloth or towel can help loosen and remove it effectively.
By following these steps and taking the time to clean your mushrooms properly, you can ensure that your dried mushrooms are free from dirt and other impurities. This will not only improve the taste and texture of your dried mushrooms but also extend their shelf life, making them a valuable addition to your culinary creations.
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Slice mushrooms to 1/8- to 1/4-inch thick
Drying mushrooms in the oven is a great way to preserve their flavour and texture for later use. When preparing your mushrooms for drying, it's important to slice them into pieces of relatively uniform thickness. Aim for slices that are approximately 1/8 to 1/4 inch (or 0.3 to 0.6 cm) thick.
This thickness range is important for two main reasons. Firstly, thicker slices will take longer to dry than thinner ones. If your mushroom slices are too thick, they may not dry thoroughly in the oven, leading to potential spoilage or a higher risk of case hardening. Case hardening occurs when the outside of the mushroom hardens too much, trapping moisture inside and preventing it from fully drying out. Secondly, having slices of relatively uniform thickness will help ensure even drying across your batch of mushrooms. This is crucial because you want to avoid under or over-drying any pieces, which can affect their texture and flavour.
When slicing your mushrooms, it's also a good idea to clean them beforehand. Use a damp cloth or gently scrub them with a brush to remove any dirt or debris. Avoid soaking them in water, as this can introduce too much moisture, which will need to be dried out later. Once your mushrooms are sliced and cleaned, you can proceed to the next steps of the oven-drying process, which includes placing them on a parchment-lined baking tray and drying them at a low temperature for several hours.
Overall, taking the time to carefully slice your mushrooms to the recommended thickness range of 1/8 to 1/4 inch will help ensure successful drying results and preserve the quality of your mushrooms for future culinary endeavours.
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Preheat the oven to 130-150°F
Drying mushrooms in the oven is a great way to preserve their flavour and use them in various dishes, such as soups, sauces, and pasta. When drying mushrooms, it is important to preheat the oven to the right temperature to ensure effective dehydration without case hardening.
To achieve the desired temperature, some ovens may require adjustments. If your oven's minimum temperature is above 130°F, you can prop open the oven door with a heat-resistant object, such as a wooden spoon or potholder. This technique helps lower the temperature and increase airflow, mitigating the risk of case hardening.
Once the oven reaches the desired temperature range, you can proceed with placing the prepared mushrooms onto parchment-lined baking trays. It is important to ensure that the mushrooms are clean and sliced to a similar thickness, typically around 1/8" to 1/4" thick. Blot the mushrooms with a paper towel to remove any excess moisture before placing them in the oven.
The duration of the drying process will depend on the thickness of your mushroom slices and the specific temperature setting you choose within the recommended range. Remember to refer to the other steps involved in drying mushrooms in the oven for a comprehensive guide.
By preheating your oven to the appropriate temperature range and following the subsequent steps, you can successfully dry mushrooms at home, preserving their flavour and texture for future culinary endeavours.
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Place on a parchment-lined baking tray
Drying mushrooms in the oven is a great way to preserve their flavour and make an ingredient that can be used in soups, sauces, and pasta. It is a simple process that only requires a few items: a variety of mushrooms, an oven, a few baking sheets, and jars.
Before placing the mushrooms on a parchment-lined baking tray, they must be cleaned thoroughly. It is a myth that mushrooms soak up lots of water, so don't be afraid to wash them well under running cool water. Use a vegetable or mushroom brush to scrub them gently. If you prefer, you can slice them first and then wash them. Thick slices, around 1/8- to 1/4-inch thick, will take longer to dry. Once cleaned, blot the mushrooms with a paper towel to remove any excess water.
When placing the mushrooms on the parchment-lined baking tray, ensure they are in a single layer with a little space between them for air to circulate. This will ensure even drying.
The oven temperature and timing will depend on your oven's capabilities. Ideally, you want to use a low oven setting, around 125-150°F (65°C). Place the baking tray with the mushrooms in the oven and leave for one hour. Then, turn the mushroom slices over and return them to the oven for another hour. Take them out and let them cool before checking if they are crispy dry. They will continue to crisp up as they cool. If they are not completely dry, turn them over and return them to the oven for 30-minute intervals until dry.
Dried mushrooms can be stored for at least a year in covered glass jars. Allow them to cool completely before transferring them to the jars and covering them tightly with lids. Label the jars with the mushroom variety and drying date.
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Dry for 4-8 hours
Drying mushrooms in the oven is a great way to preserve their flavour and use them in soups, sauces, and pasta. The oven temperature should be set to around 130ºF/54ºC, and the mushrooms should be dried for 4-8 hours.
To start, clean the mushrooms gently with a kitchen towel or a vegetable/mushroom brush. If there is stubborn dirt, use a damp kitchen towel. Do not wash the mushrooms with water, as this can affect their drying process. Once cleaned, slice the mushrooms to a thickness of around 1/8" to 1/4". Thicker slices will take longer to dry.
Arrange the mushroom slices on a parchment-lined baking tray, leaving a little space between each slice to allow for proper air circulation. Blot the mushrooms with a paper towel to remove any excess water before placing them in the oven.
Place the baking tray with the mushrooms in the oven and let them dry for 1-2 hours. Then, remove the tray from the oven and flip the mushrooms over. Return them to the oven and repeat this process every 1-2 hours until the mushrooms are dry.
It is important to note that the drying time may vary depending on the thickness of the mushroom slices and the humidity levels in your oven. Check the mushrooms periodically to ensure they are drying evenly. If your oven temperature is higher than the recommended setting, prop open the oven door with a heat-proof utensil to reduce the temperature and increase airflow.
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Frequently asked questions
The best way to dry mushrooms is to use a dehydrator. However, if you don't have one, you can easily dry mushrooms in your oven to preserve their flavour.
You need to use a low oven temperature of around 125-150°F (65°C). If your oven doesn't go below 140°F (60°C), prop open the door to lower the temperature and increase airflow.
It depends on the thickness of your mushrooms. In general, it takes around 4-8 hours, but thicker slices will take longer. Keep the mushrooms in the oven until you can snap them like crackers.

























